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Title: Synthesis of Zn-doped AgInS 2 nanocrystals and their fluorescence properties
Authors: Tang, X. 
Ho, W.B.A.
Xue, J.M. 
Issue Date: 3-May-2012
Citation: Tang, X., Ho, W.B.A., Xue, J.M. (2012-05-03). Synthesis of Zn-doped AgInS 2 nanocrystals and their fluorescence properties. Journal of Physical Chemistry C 116 (17) : 9769-9773. ScholarBank@NUS Repository.
Abstract: AgInS 2 nanocrystals have attracted intense attention due to their promising applications in printable solar cells, light-emitting diode (LED), and biological labeling. Although much effort has been made to develop various synthesis methods to prepare AgInS 2 nanocrystals, it remains a goal to obtain high quality AgInS 2 nanocrystals. In this work, Zn-doped AgInS 2 nanocrystals were synthesized by diffusing Zn into the preformed AgInS 2 seeds at high temperature in solution. The resulting Zn-doped AgInS 2 nanocrystals had well-defined spherical morphology with narrow size distribution. By varying the reaction temperature, the emission wavelengths of the obtained Zn-doped AgInS 2 nanocrystals could be adjusted from 520 to 680 nm. The quantum yield of the obtained alloyed nanocrystals could reach 41%, which was reasonably good as compared to those of the previously reported. The obtained Zn-doped AgInS 2 nanocrystals showed promising applications in cell labeling. © 2012 American Chemical Society.
Source Title: Journal of Physical Chemistry C
ISSN: 19327447
DOI: 10.1021/jp207711p
Appears in Collections:Staff Publications

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